Alopecia
How important is your hair? I know I am attached to mine because simply getting my hair cut is usually an emotional ordeal. Now just imagine not having any or having patches of baldness. This is what people with alopecia have to endure daily. So let’s take a look at what hair is, what is alopecia, the different types of alopecia, causes, treatments, and we will look at alopecia areata more closely. No matter what, every person has to deal with hair and /or lack thereof.
Hair is produced in the epidermis layer of the skin and is made up of a protein called Keratin which is produced in the follicles. An average head has approximately 100,000 to 150,000 hairs. Those hairs go through 3 phases in the life cycle. The first phase is anagen which
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is the active hair growth cycle and last about 2-6 years. The next phase is the catagen phase which is the transitional phase and last 2-3 weeks. The final phase of hair growth is telogen which is the resting phase and last 2-3 months. Once a hair has reached the resting phase it falls out and is replaced with new hair and the cycle continues. However, sometimes these cycles are interrupted or altered and a person develops a condition called Alopecia. (Stephanie S. Gardner, 2015) Alopecia is defined as hair loss according to the medical dictionary (freedictionary.com, 2016) There are several different types of alopecia. (Stephanie S. Gardner, 2015) • Involuntary alopecia- is where the hair naturally thins with age , more of the hair is in the third phase of the life cycle of hair resulting in thinner and shorter hair • Androgenic alopecia – is a genetic condition commonly referred to as “male pattern baldness” but affects both men and women men typically age 20 and up and are usually seen on the crown of the head whereas, a woman is usually a general thinning over the entire scalp and occurs over the entire scalp. • Alopecia areata- has a sudden start, is patchy and may result in alopecia totalis a complete permanent hair loss. • Universalis – causes the body hair to fall out • Trichotillomania – is a psychological condition where the person pulls out their own hair is commonly seen in children.
• Telogen effluvium- is generally a temporary thinning of the hair because of changes in the growth cycle
• Scarring alopecia- is a permanent condition where the hair does not grow due to inflammatory skin conditions and other skin diseases where scaring destroyed the hairs ability to regenerate.
One specific kind of alopecia is Alopecia areata. This is where the autoimmune system attacks the hair follicles resulting in the hair falling out leaving round or oval patches on the scalp. (medMD, 2016) It is most common in people under the age of 20 but affects both men and women. Alopecia areata can also be an uncommon sign of syphilis. (Jeffrey Kinard, 2015)It can also affect the fingernails and toenails in some people appearing as if pitted by a pin leaving dents or like sand paper. Alopecia areata usually grows back in a few months however in about 10% of people it is permanent.
Whatever the type of alopecia you have there are many different causes such as, hormones, genes, stress, illness, drugs, injuries like burns, autoimmune disease, cosmetic procedures, medical conditions, and even the
diet. Works Cited Stephanie S. Gardner, M. (2015, march 13). WebMD The basics of Hair Loss. Retrieved February 16, 2016, from webmd.com: http://www.webmd.com/skin-problems-and-treatments/guide/understanding-hair-loss-basics?page=2 Jeffrey Kinard, K. T. (2015). Young man with unexplained hair loss. journal of Family Practice, 801. retieved from http://go.galegroup.com/ps/retrieve.do?sort=DA-SORT&docType=Clinical+report&tabID=T002&prodId=AONE&searchId=R13&resultListType=RESULT_LIST&searchType=AdvancedSearchForm&contentSegment=¤tPosition=1&searchResultsType=SingleTab&inPS=true&userGroupName=ross_porthuron&docId=GALE%7CA439634776&contentSet=GALE%7CA439634776
This condition can affect the face (called keratosis pilaris atrophicans faciei), neck (called erythromelanosis follicularis faciei et colli), eyebrows (called Ulerythema ophryogenes), scalp (called keratosis follicularis spinulosa decalvans), and cheeks (called atrophoderma vermiculata / folliculitis ulerythematosa reticulata or pitted scarring of cheeks).
Hair is an important part of our body. It can be found anywhere and can be a useful evidence in forensic science. It consists of three layers, namely cuticle, cortex and medulla. Cuticle- is a covering that consists of hard scales made of keratin, which is a protein approaching tip ends of the hair. There are three types of cuticle: coronal, imbricated and spinous types. Cortex consists of stretched out beam shaped cells, buried with pigment granules for hair to cede with color and is the main body of the hair shaft. It may also contain pigment granula, ovoid bodies and cortical fusi (Wright, 2008). Furthermore, medulla can be categorized into continuous, fragmental, absent and interrupted types. If medulla
Furthermore, hygiene is another factor that can either increase or decrease the speed of the hair. Typically, you can tell a lot about a persons hygiene by looking at how they treat their hair. In particular, if an individual is constantly flat ironing their hair or putting excessive heat on the hair, it will burn causing it to break and create split ends. Split ends is when an individual hair strand splits into two at the tip of the hair. If the individual keeps on putting excessive heat to the hair, the hair will break off causing the hair to become shorter. It is best to cut off these split ends before they reach a point where
Sloane starts losing her hair and gets diagnosed with alopecia areata. “A pile of hair came out when I showered.” (Langston49), Sloane got frantic and nervous when she noticed an abnormal amount of her hair falling out. She checked to make sure that she did not have any bald spots, however she did in fact find three. She went to a specialist and
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Each month the scalp hair grows at an average rate of half an inch. Every hair has an approximate lifetime of four to seven years, which after this it falls out and is replaced by a new hair. For the most part, 15% of hair is growing, while the 85% of the hair rest. This wide spread disease effects about 2/3 of the worlds male population at some point or another. Generally, hair loss begins to start around the age of 30 at the temples. Never the less, the condition is more of a psychological problem than a medical.
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KRT is responsible for the “command” of producing keratins. The cells that make up these proteins are called epithelial. The epithelial cells help produce hair, skin and nails. Keratin helps tissues not get ruined from touching other things. If someone were to scratch their head, keratin would help protect the hair, skin, or nails. There are two types of keratins. Type I and Type II. Type one is located in a cluster on top of the chromosome. Type II is located on chromosome 12. There are many different types of keratins found in many different tissues. It has a very durable and flexible structure. It is insoluble in water. When people straighten their hair, the keratin breaks, damaging the human hair. The way keratin is formed is done in a way called keratinization. It is also known as cornification. This processes is when the cell hardens to fulfill is
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